Aim: Many studies of match-analysis have recorded a great number of jumps, sprints and change of direction during a basketball competitions (Ben Abdelkrim et al., 2007; McInnes et al., 1995). Although these high intensity activities represent a small portion of the total game time, causing 42% of the energy expenditure, they are believed to be very important for the result of a match. The aim of this study is evaluate the influence of plyometric program on sprint and jump performance in female basketball players. Methods: Twenty-four young female basketball players (15.9±0.8 y-o; 170.7±7 cm; 61.5±8.2 kg) were involved in a 8-wks protocol consisting of 2 session/week with 6/7 exercises in accordance with NSCA plyometric guideline. All subjects were divided in two groups: 12 in a Training Group (TG) and 12 in a Control Group (CG) that performed the normal training routine of technical basketball drills. Subjects were tested at baseline (BL) and at week 8 (W8). Vertical jump performance (height) was measured by using the Optojump system (Microgate, Italy) and sprint over 20 meters was measured using Polifemo Photocell system (Microgate, Italy). Results: All participants completed the 8 weeks program. A paired T-test and a unpaired T-test were used respectively to assess pre-post differences within groups and between groups. Results were expressed as mean ± SD. Significant differences were found at p<0.05. The experimental group at W8 showed significant improvements in vertical jump height for both CMJ test and Stifness test, whereas no significant result were founded in sprint performance (ES 0.2). The control group did not show any significant difference at W8 compared to BL. No significant difference between groups with unpaired T-test although very positive effect sizes for all variables in post-training differences. Conclusion: The study shows how a simple and short program of plyometric exercises has a significant influence on the vertical jump height in young female basketball players. References: Ben Abdelkrim et al. (2007) Br J Sports Med; Vol. 41 - Issue 2: 69–75. McInnes et al. (1995) J Sport Sci; Vol. 13 - Issue 5:387-97 Contact roberto.benis@unimi.it
THE EFFECTS OF 8 WEEKS OF PLYOMETRIC TRAINING ON SPRINT AND JUMP PERFORMANCE IN FEMALE HIGH SCHOOL BASKETBALL PLAYERS / R. Benis, R. Rossi, L. Russo, A. La Torre - In: Book of abstracts of the 20th Annual Congress of the European College of Sport Science / ] A. Radmann, S. Hedenborg, E. Tsolakidis ; [a cura di] ] A. Radmann, S. Hedenborg, E. Tsolakidis. - [s.l] : Malmö University, Lund University & Copenhagen University, 2015 Jul. - ISBN 978-91-7104-567-6. - pp. 331-331 (( Intervento presentato al 20. convegno Annual Congress of the European College of Sport Science tenutosi a Malmö nel 2015.
THE EFFECTS OF 8 WEEKS OF PLYOMETRIC TRAINING ON SPRINT AND JUMP PERFORMANCE IN FEMALE HIGH SCHOOL BASKETBALL PLAYERS
R. Benis;A. La Torre
2015
Abstract
Aim: Many studies of match-analysis have recorded a great number of jumps, sprints and change of direction during a basketball competitions (Ben Abdelkrim et al., 2007; McInnes et al., 1995). Although these high intensity activities represent a small portion of the total game time, causing 42% of the energy expenditure, they are believed to be very important for the result of a match. The aim of this study is evaluate the influence of plyometric program on sprint and jump performance in female basketball players. Methods: Twenty-four young female basketball players (15.9±0.8 y-o; 170.7±7 cm; 61.5±8.2 kg) were involved in a 8-wks protocol consisting of 2 session/week with 6/7 exercises in accordance with NSCA plyometric guideline. All subjects were divided in two groups: 12 in a Training Group (TG) and 12 in a Control Group (CG) that performed the normal training routine of technical basketball drills. Subjects were tested at baseline (BL) and at week 8 (W8). Vertical jump performance (height) was measured by using the Optojump system (Microgate, Italy) and sprint over 20 meters was measured using Polifemo Photocell system (Microgate, Italy). Results: All participants completed the 8 weeks program. A paired T-test and a unpaired T-test were used respectively to assess pre-post differences within groups and between groups. Results were expressed as mean ± SD. Significant differences were found at p<0.05. The experimental group at W8 showed significant improvements in vertical jump height for both CMJ test and Stifness test, whereas no significant result were founded in sprint performance (ES 0.2). The control group did not show any significant difference at W8 compared to BL. No significant difference between groups with unpaired T-test although very positive effect sizes for all variables in post-training differences. Conclusion: The study shows how a simple and short program of plyometric exercises has a significant influence on the vertical jump height in young female basketball players. References: Ben Abdelkrim et al. (2007) Br J Sports Med; Vol. 41 - Issue 2: 69–75. McInnes et al. (1995) J Sport Sci; Vol. 13 - Issue 5:387-97 Contact roberto.benis@unimi.it
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